diff --git a/package.json b/package.json
index 00de3f97..2b09bf36 100644
--- a/package.json
+++ b/package.json
@@ -65,6 +65,7 @@
     "react-dom": "17.x",
     "ts-node": "^9.0.0",
     "typescript": "^4.1.2",
+    "webpack": "^5.28.0",
     "yorkie": "^2.0.0"
   }
 }